Yau Lee Holdings Ltd. is an investment company. The company employs 4,600 full-time employees The firm operates through five segments. The Construction segment is mainly engaged in contracting of building construction, plumbing, renovation, maintenance and fittingout projects. The Electrical and Mechanical Installation segment is mainly engaged in the provision of electrical, mechanical, ventilation and air conditioning, fire, plumbing and environmental engineering services. The Building Materials Supply segment is mainly engaged in the supply of construction and building materials. The Property Investment and Development segment is mainly engaged in the property investment and development business. The Hotel Operations segment is mainly engaged in the hotel operations business.